{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["countries of residence", "cities of residence", "employee of"], "input": "The  Karelian Front  was a Front ( a formation of Army Group size ) of the  Soviet Union  's Red Army during World War II and operated in Karelia ."}
{"countries of residence": [], "cities of residence": [], "employee of": []}